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import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import javax.microedition.lcdui.Alert;
import javax.microedition.lcdui.Command;
import javax.microedition.lcdui.CommandListener;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Displayable;
import javax.microedition.media.Manager;
import javax.microedition.media.Player;
import javax.microedition.media.control.RecordControl;
import javax.microedition.midlet.MIDlet;
public class CapturePlaybackAudioMIDlet extends MIDlet implements CommandListener {
private Display display = null;
private Alert alert = new Alert("Message");
private Command exitCommand = new Command("Exit", Command.EXIT, 1);
private Player capturePlayer = null;
private Player playbackPlayer = null;
private RecordControl recordControl = null;
private ByteArrayOutputStream bos = new ByteArrayOutputStream();
private ByteArrayInputStream bis = null;
public CapturePlaybackAudioMIDlet() {
display = Display.getDisplay(this);
alert.setTimeout(Alert.FOREVER);
alert.setString("Capturing for 10 seconds.");
alert.addCommand(exitCommand);
alert.setCommandListener(this);
try {
capturePlayer = Manager.createPlayer("capture://audio");
if (capturePlayer != null) {
capturePlayer.realize();
recordControl = (RecordControl) capturePlayer
.getControl("javax.microedition.media.control.RecordControl");
display.setCurrent(alert);
if (recordControl == null)
throw new Exception("No RecordControl available");
bos = new ByteArrayOutputStream(1024);
recordControl.setRecordStream(bos);
} else {
throw new Exception("Capture Audio Player is not available");
}
} catch (Exception e) {
error(e);
}
}
public void startApp() {
try {
capturePlayer.start();
recordControl.startRecord();
Thread.sleep(10000);
recordControl.stopRecord();
recordControl.commit();
capturePlayer.stop();
alert.setString("Well done!");
bos.flush();
bis = new ByteArrayInputStream(bos.toByteArray());
playbackPlayer = Manager.createPlayer(bis, recordControl.getContentType());
playbackPlayer.start();
alert.setString("Playing back ... ");
} catch (Exception e) {
error(e);
} finally {
try {
if (bos != null)
bos.close();
if (bis != null)
bis.close();
} catch (Exception ex) {
error(ex);
}
}
}
public void pauseApp() {
}
public void destroyApp(boolean unconditional) {
}
public void commandAction(Command cmd, Displayable disp) {
if (cmd == exitCommand) {
notifyDestroyed();
}
}
private void error(Exception e) {
alert.setString(e.getMessage());
alert.setTitle("Error");
display.setCurrent(alert);
e.printStackTrace();
}
}
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